Differs from Echinocorys in having the periproct on a vertically truncate face and in having a marginal fasciole. Differs from Cibaster only in test profile, having a taller more domed upper surface and with the periproct below mid-height in posterior view. Galeola differs in having a projecting anal rostrum with the periproct inframarginal and angled obliquely downwards. In terms of plating, all three have a similar test construction.